I had to do something I haven’t done in a long, long time: make myself a custom PCB the old-fashioned way, with laser toner ...

This is a really clever mod for the K40 laser, and requires relatively little in the way of hardware. It might even be able to be done with leftovers from expanding a K40 out to a much bigger ...

The installation of the Laser Defuser was a bit more difficult and reminded me why K40 likes these things to be installed by a pro. Unfortunately my license plate holder isn't removable ...